Home / 64,879.68-89,534.16-36,585.36

Finding the Fourth Proportional to 64,879.68, 89,534.16 and 36,585.36

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Solution

The fourth proportional to 64,879.68, 89,534.16 and 36,585.36 is: 50,487.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,879.68 : 89,534.16 = 36,585.36 : x
  2. Step 2: Convert to fraction form
    64,879.68/89,534.16 = 36,585.36/x
  3. Step 3: Cross multiply
    64,879.68x = 89,534.16 × 36,585.36
  4. Step 4: Simplify right side
    64,879.68x = 3,275,639,475.90
  5. Step 5: Solve for x
    x = 3,275,639,475.90/64,879.68
  6. Step 6: Final answer
    x = 50,487.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.